package net.minecraft.client.gui;

import java.io.IOException;
import net.minecraft.client.resources.I18n;

public class GuiMemoryErrorScreen extends GuiScreen {
	/**
	 * Adds the buttons (and other controls) to the screen in question. Called when
	 * the GUI is displayed and when the window resizes, the buttonList is cleared
	 * beforehand.
	 */
	public void initGui() {
		this.buttonList.clear();
		this.buttonList.add(new GuiOptionButton(0, this.width / 2 - 155, this.height / 4 + 120 + 12,
				I18n.format("gui.toTitle", new Object[0])));
		this.buttonList.add(new GuiOptionButton(1, this.width / 2 - 155 + 160, this.height / 4 + 120 + 12,
				I18n.format("menu.quit", new Object[0])));
	}

	/**
	 * Called by the controls from the buttonList when activated. (Mouse pressed for
	 * buttons)
	 */
	protected void actionPerformed(GuiButton button) throws IOException {
		if (button.id == 0) {
			this.mc.displayGuiScreen(new GuiMainMenu());
		} else if (button.id == 1) {
			this.mc.shutdown();
		}
	}

	/**
	 * Fired when a key is typed (except F11 which toggles full screen). This is the
	 * equivalent of KeyListener.keyTyped(KeyEvent e). Args : character (character
	 * on the key), keyCode (lwjgl Keyboard key code)
	 */
	protected void keyTyped(char typedChar, int keyCode) throws IOException {
	}

	/**
	 * Draws the screen and all the components in it. Args : mouseX, mouseY,
	 * renderPartialTicks
	 */
	public void drawScreen(int mouseX, int mouseY, float partialTicks) {
		this.drawDefaultBackground();
		this.drawCenteredString(this.fontRendererObj, "Out of memory!", this.width / 2, this.height / 4 - 60 + 20,
				16777215);
		this.drawString(this.fontRendererObj, "Minecraft has run out of memory.", this.width / 2 - 140,
				this.height / 4 - 60 + 60 + 0, 10526880);
		this.drawString(this.fontRendererObj, "This could be caused by a bug in the game or by the",
				this.width / 2 - 140, this.height / 4 - 60 + 60 + 18, 10526880);
		this.drawString(this.fontRendererObj, "Java Virtual Machine not being allocated enough", this.width / 2 - 140,
				this.height / 4 - 60 + 60 + 27, 10526880);
		this.drawString(this.fontRendererObj, "memory.", this.width / 2 - 140, this.height / 4 - 60 + 60 + 36,
				10526880);
		this.drawString(this.fontRendererObj, "To prevent level corruption, the current game has quit.",
				this.width / 2 - 140, this.height / 4 - 60 + 60 + 54, 10526880);
		this.drawString(this.fontRendererObj, "We\'ve tried to free up enough memory to let you go back to",
				this.width / 2 - 140, this.height / 4 - 60 + 60 + 63, 10526880);
		this.drawString(this.fontRendererObj, "the main menu and back to playing, but this may not have worked.",
				this.width / 2 - 140, this.height / 4 - 60 + 60 + 72, 10526880);
		this.drawString(this.fontRendererObj, "Please restart the game if you see this message again.",
				this.width / 2 - 140, this.height / 4 - 60 + 60 + 81, 10526880);
		super.drawScreen(mouseX, mouseY, partialTicks);
	}
}
